CN102836632A - Efficient waste gas washing tower - Google Patents
Efficient waste gas washing tower Download PDFInfo
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- CN102836632A CN102836632A CN2012103766278A CN201210376627A CN102836632A CN 102836632 A CN102836632 A CN 102836632A CN 2012103766278 A CN2012103766278 A CN 2012103766278A CN 201210376627 A CN201210376627 A CN 201210376627A CN 102836632 A CN102836632 A CN 102836632A
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Abstract
The invention provides an efficient waste gas washing tower, which comprises three independent deodorizing devices, wherein a first-grade deodorizing device, a second-grade deodorizing device and a third-grade deodorizing device are arranged from bottom to top; an air outlet is positioned above the third-grade deodorizing device; and a fan is connected to the first-grade deodorizing device through a pipeline. The efficient waste gas washing tower has the advantages and beneficial effects that: direct and indirect oxidation reactions are performed through electrolysis, so that acid, alkaline and neutral malodorous substances are oxidized completely or to the maximum extent. A layer separation concept is introduced into a single washing tower, malodorous components of different types can be removed simultaneously, running at each section is independent and is not interfered mutually, the structure is compact, and the sewage treatment pressure can be lowered; the running cost is low; different combination ways can be selected according to the types of pollution substances; particularly, high-concentration malodorous substances are treated effectively; and selective running can be performed according to the types of malodorous substances and the variation of concentration, and running parameters can be changed at any time.
Description
Technical field
The invention belongs to the absorption treating device technical field of waste gas in the wastewater treatment, especially relate to a kind of efficient exhaust gas washing tower.
Background technology
The mode that absorbs with water is handled the scrubbing tower of waste gas, is the physical absorption process of utilizing the water-soluble principle of odorant, and according to the physicochemical characteristic of target odorant, its suitable application area is restricted; With the scrubbing tower of spray medicament deodorizing, be to utilize the chemical absorbing principle, if the odorant kind is single; Its treatment effect is more satisfactory; But under the diversified condition of odorant kind, handle through multi-series and could satisfy emission request, so the structure of scrubbing tower is comparatively complicated; The method that makes the with medicament oxidation is to utilize clorox, through what the mode of the oxidation of odorant, neutralization, absorption was handled, if the excessive clorox that adds can produce because the new stench that the unreacted clorox causes.In order to solve the variety of problems that occurs in traditional exhaust gas washing tower, be badly in need of developing a kind of efficient waste gas treatment process.
Summary of the invention
The problem that the present invention will solve provides a kind of three layers of independent filler, be mainly used in high-concentration waste water stores, handles and other petrochemical plant produces the efficient exhaust gas washing tower of the absorption and the processing of various waste gas in process of production, especially is fit to absorb foul gas such as handling hydrogen sulfide, mercaptan, thioether, VOC.
For solving the problems of the technologies described above; The technical scheme that the present invention adopts is: a kind of efficient exhaust gas washing tower; Comprise three independently odor removals; First order odor removal, second level odor removal and third level odor removal are arranged from down to up, and the gas outlet is positioned at third level odor removal top, and blower and pipeline is connected with first order odor removal:
First order odor removal comprises accumulator tank, the throwing device of oxidizing agent solution, electrolysis unit, the contact site of oxidizing agent solution, the portion that removes of oxidizing agent solution, the layer separating table of oxidizing agent solution; The throwing device of said oxidizing agent solution comprises measuring pump and automatic pH detector; Automatically add oxidizing agent solution continuously; Said electrolysis unit comprises rectifier and battery lead plate, is under the condition of 4-5 at pH, with adding the former water of electrolytical solution as electrolysis unit; Circulation continuously generates strong oxidizer through electrochemical oxidation reactions in electrolysis unit; The contact site of said oxidizing agent solution is between the nozzle of blower fan and oxidizing agent solution; The portion that removes of oxidizing agent solution, remove with oxidant reaction after air in the oxidant that contains; Said layer separating table, between first order odor removal and second level odor removal, said layer separating table is provided with the hole, and the hole is communicated with the accumulator tank of oxidizing agent solution through pipeline;
Second level odor removal comprises throwing device, the contact site of alkaline solution, the portion that removes of alkaline solution, the layer separating table of alkaline solution tank, alkaline solution; The throwing device of said alkaline solution comprises measuring pump and automatic pH detector, adds alkaline solution automatically continuously; The contact site of said alkaline solution is between the nozzle of circulated gases and alkaline solution; The portion that removes of alkaline solution, remove with the reacted air of alkaline solution in the alkaline gas that contains; Said layer separating table, between second level odor removal and first order odor removal, said layer separating table is provided with the hole, and the hole is communicated with the alkaline solution tank through pipeline;
Third level odor removal comprises throwing device, the contact site of the aqueous solution, the portion that removes of the aqueous solution, the layer separating table of water-soluble liquid bath, the aqueous solution, and the throwing device of the said aqueous solution comprises measuring pump and automatic pH detector, adds the aqueous solution automatically continuously; The contact site of the said aqueous solution is between the nozzle of the circulated gases and the aqueous solution; The portion that removes of the aqueous solution, remove with reactant aqueous solution after air in the dusty gas that contains; Said layer separating table, between second level odor removal and first order odor removal, said layer separating table is provided with the hole, and the hole is communicated with water-soluble liquid bath through pipeline;
The accumulator tank of said oxidizing agent solution, alkaline solution tank, water-soluble liquid bath all are positioned at the bottom of whole scrubbing tower.
Preferably, also comprise the oxidation-reduction potential tester in the odor removal of the said second level.
Preferably, the accumulator tank of said oxidizing agent solution, alkaline solution tank, water-soluble liquid bath respectively with insert municipal sewage.
Preferably, the accumulator tank of said oxidizing agent solution, alkaline solution tank, water-soluble liquid bath are connected with storage tank through pipeline respectively.
Preferably; Be provided with circulating pump through pipeline between the accumulator tank of oxidizing agent solution and the nozzle of oxidizing agent solution; Be provided with circulating pump through pipeline between the nozzle of alkaline solution tank and alkaline solution, be provided with circulating pump through pipeline between the nozzle of the water-soluble liquid bath and the aqueous solution.
Preferably, the accumulator tank of said oxidizing agent solution, alkaline solution tank, water-soluble liquid bath are respectively equipped with flowmeter.
Preferably, said blower fan is a turbofan.
Advantage and good effect that the present invention has are:
1, directly and the indirect oxidation reaction, through electrolysis realize acid, alkalescence and neutral odorant fully or oxidation to greatest extent.
2, in single scrubbing tower, introduce the notion that layer separates, can remove different types of odor pollutant simultaneously, and every section operation all is independently, do not disturb compact conformation mutually.
3, the accumulation of polluter (COD, T-N) can not take place in the tank, can reduce the pressure of sewage disposal.
4, compare with the medicament oxidation technology with traditional medicament washing, operating cost is cheap.
5, according to the kind of polluter, can select the different combinations mode.
6, particularly very effective to the processing of high concentration odorant.
7, according to the odorant kind that flows into and the variation of concentration, can optionally move, and can change operational factor at any time.
8, can handle VOC.
Description of drawings
Fig. 1 is a simple structure sketch map of the present invention;
1, the accumulator tank of oxidizing agent solution; 2, the contact site of oxidizing agent solution; 3, the portion that removes of oxidizing agent solution; 4, layer separating table; 5, the nozzle of oxidizing agent solution; 6, measuring pump; 7, automatic pH detector; 8, rectifier; 9, alkaline solution tank; 10, the contact site of alkaline solution; 11, the nozzle of alkaline solution; 12, the portion that removes of alkaline solution; 13, water-soluble liquid bath; 14, the contact site of the aqueous solution; 15, the nozzle of the aqueous solution; 16, oxidation-reduction potential tester; 17, municipal sewage; 18, storage tank; 19, circulating pump; 20, turbofan
The specific embodiment
As shown in Figure 1; A kind of efficient exhaust gas washing tower of the present invention comprises three independently odor removals; First order odor removal, second level odor removal and third level odor removal are arranged from down to up; The gas outlet is positioned at third level odor removal top, and blower and pipeline is connected with first order odor removal:
First order odor removal comprises accumulator tank 1, the throwing device of oxidizing agent solution, electrolysis unit, the contact site 2 of oxidizing agent solution, the portion that removes 3 of oxidizing agent solution, the layer separating table 4 of oxidizing agent solution; The throwing device of said oxidizing agent solution comprises measuring pump 6 and automatic pH detector 7; Automatically add oxidizing agent solution continuously; Said electrolysis unit comprises rectifier 8 and battery lead plate, is under the condition of 4-5 at pH, with adding the former water of electrolytical solution as electrolysis unit; Circulation continuously generates strong oxidizer through electrochemical oxidation reactions in electrolysis unit; The contact site 2 of said oxidizing agent solution is between the nozzle 5 of blower fan and oxidizing agent solution; The portion that removes 3 of oxidizing agent solution, remove with oxidant reaction after air in the oxidant that contains; Said layer separating table 4, between first order odor removal and second level odor removal, said layer separating table 4 is provided with the hole, and the hole is communicated with the accumulator tank 1 of oxidizing agent solution through pipeline;
Second level odor removal comprises throwing device, the contact site 10 of alkaline solution, the portion that removes 12 of alkaline solution, the layer separating table 4 of alkaline solution tank 9, alkaline solution; The throwing device of said alkaline solution comprises measuring pump 6 and automatic pH detector 7, adds alkaline solution automatically continuously; The contact site 10 of said alkaline solution is between the nozzle 11 of circulated gases and alkaline solution; The portion that removes 12 of alkaline solution, remove with the reacted air of alkaline solution in the alkaline gas that contains; Said layer separating table 4, between second level odor removal and first order odor removal, 4 are provided with the hole on the said layer separating table, and the hole is communicated with alkaline solution tank 9 through pipeline;
Third level odor removal comprises throwing device, the contact site 14 of the aqueous solution, the portion that removes of the aqueous solution, the layer separating table 4 of water-soluble liquid bath 13, the aqueous solution, and the throwing device of the said aqueous solution comprises measuring pump 6 and pH detector 7 automatically, adds the aqueous solution automatically continuously; 14 ones of the contacts of the said aqueous solution are positioned between the nozzle 15 of the circulated gases and the aqueous solution; The portion that removes of the aqueous solution, remove with reactant aqueous solution after air in the dusty gas that contains; Said layer separating table 4, between second level odor removal and first order odor removal, said layer separating table 4 is provided with the hole, and the hole is communicated with water-soluble liquid bath 13 through pipeline;
The said second level, the bottom odor removal that the accumulator tank 1 of said oxidizing agent solution, alkaline solution tank 9, water-soluble liquid bath 13 all are arranged in whole scrubbing tower also comprises oxidation-reduction potential tester 16.The accumulator tank 1 of said oxidizing agent solution, alkaline solution tank 9, water-soluble liquid bath 13 respectively with insert municipal sewage 17.The accumulator tank 1 of said oxidizing agent solution, alkaline solution tank 9, water-soluble liquid bath 13 are connected with storage tank 18 through pipeline respectively.Be provided with circulating pump 19 through pipeline between the accumulator tank 1 of oxidizing agent solution and the nozzle 5 of oxidizing agent solution; Be provided with circulating pump 19 through pipeline between the nozzle 11 of alkaline solution tank 9 and alkaline solution, be provided with circulating pump 19 through pipeline between the nozzle 15 of the water-soluble liquid bath 13 and the aqueous solution.The accumulator tank 1 of said oxidizing agent solution, alkaline solution tank 9, the aqueous solution 13 are respectively equipped with flowmeter.Said blower fan is a turbofan 20.
Efficient exhaust gas washing tower of the present invention and the contrast of conventional washing tower pluses and minuses, as shown in the table:
More than one embodiment of the present of invention are specified, but said content is merely preferred embodiment of the present invention, can not be considered to be used to limit practical range of the present invention.All equalizations of doing according to application range of the present invention change and improve etc., all should still belong within the patent covering scope of the present invention.
Claims (7)
1. efficient exhaust gas washing tower; It is characterized in that: comprise three independently odor removals; First order odor removal, second level odor removal and third level odor removal are arranged from down to up; The gas outlet is positioned at third level odor removal top, and blower and pipeline is connected with first order odor removal:
First order odor removal comprises accumulator tank, the throwing device of oxidizing agent solution, electrolysis unit, the contact site of oxidizing agent solution, the portion that removes of oxidizing agent solution, the layer separating table of oxidizing agent solution; The throwing device of said oxidizing agent solution comprises measuring pump and automatic pH detector; Automatically add oxidizing agent solution continuously; Said electrolysis unit comprises rectifier and battery lead plate, is under the condition of 4-5 at pH, with adding the former water of electrolytical solution as electrolysis unit; Circulation continuously generates strong oxidizer through electrochemical oxidation reactions in electrolysis unit; The contact site of said oxidizing agent solution is between the nozzle of blower fan and oxidizing agent solution; The portion that removes of oxidizing agent solution, remove with oxidant reaction after air in the oxidant that contains; Said layer separating table, between first order odor removal and second level odor removal, said layer separating table is provided with the hole, and the hole is communicated with the accumulator tank of oxidizing agent solution through pipeline;
Second level odor removal comprises throwing device, the contact site of alkaline solution, the portion that removes of alkaline solution, the layer separating table of alkaline solution tank, alkaline solution; The throwing device of said alkaline solution comprises measuring pump and automatic pH detector, adds alkaline solution automatically continuously; The contact site of said alkaline solution is between the nozzle of circulated gases and alkaline solution; The portion that removes of alkaline solution, remove with the reacted air of alkaline solution in the alkaline gas that contains; Said layer separating table, between second level odor removal and first order odor removal, said layer separating table is provided with the hole, and the hole is communicated with the alkaline solution tank through pipeline;
Third level odor removal comprises throwing device, the contact site of the aqueous solution, the portion that removes of the aqueous solution, the layer separating table of water-soluble liquid bath, the aqueous solution, and the throwing device of the said aqueous solution comprises measuring pump and automatic pH detector, adds the aqueous solution automatically continuously; The contact site of the said aqueous solution is between the nozzle of the circulated gases and the aqueous solution; The portion that removes of the aqueous solution, remove with reactant aqueous solution after air in the dusty gas that contains; Said layer separating table, between second level odor removal and first order odor removal, said layer separating table is provided with the hole, and the hole is communicated with water-soluble liquid bath through pipeline;
The accumulator tank of said oxidizing agent solution, alkaline solution tank, water-soluble liquid bath all are positioned at the bottom of whole scrubbing tower.
2. efficient exhaust gas washing tower according to claim 1 is characterized in that: also comprise the oxidation-reduction potential tester in the odor removal of the said second level.
3. efficient exhaust gas washing tower according to claim 1 is characterized in that: the accumulator tank of said oxidizing agent solution, alkaline solution tank, water-soluble liquid bath respectively with insert municipal sewage.
4. efficient exhaust gas washing tower according to claim 1 is characterized in that: the accumulator tank of said oxidizing agent solution, alkaline solution tank, water-soluble liquid bath are connected with storage tank through pipeline respectively.
5. efficient exhaust gas washing tower according to claim 1; It is characterized in that: be provided with circulating pump through pipeline between the accumulator tank of oxidizing agent solution and the nozzle of oxidizing agent solution; Be provided with circulating pump through pipeline between the nozzle of alkaline solution tank and alkaline solution, be provided with circulating pump through pipeline between the nozzle of the water-soluble liquid bath and the aqueous solution.
6. efficient exhaust gas washing tower according to claim 1 is characterized in that: the accumulator tank of said oxidizing agent solution, alkaline solution tank, water-soluble liquid bath are respectively equipped with flowmeter.
7. efficient exhaust gas washing tower according to claim 1 is characterized in that: said blower fan is a turbofan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103766278A CN102836632A (en) | 2012-09-28 | 2012-09-28 | Efficient waste gas washing tower |
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|---|---|---|---|
| CN2012103766278A CN102836632A (en) | 2012-09-28 | 2012-09-28 | Efficient waste gas washing tower |
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| CN102836632A true CN102836632A (en) | 2012-12-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107824031A (en) * | 2016-12-05 | 2018-03-23 | 信和恩博泰有限责任公司 | Changeable type is laminated absorption comprehensive pollution odorant deodoration system and deodorizing method |
| CN113019096A (en) * | 2021-03-10 | 2021-06-25 | 安徽皖欣环境科技有限公司 | High-efficient combination deodorizing device of oil smoke waste gas |
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| WO2007091472A1 (en) * | 2006-02-10 | 2007-08-16 | Sintokogio, Ltd. | Ozone-based deodorizing apparatus |
| CN101032678A (en) * | 2006-03-07 | 2007-09-12 | 黄立维 | Method for eliminating oxynitride from air flow and the special equipment thereof |
| CN101185832A (en) * | 2007-09-06 | 2008-05-28 | 黄立维 | Method for improving sulphur dioxide clearance |
| CN101700463A (en) * | 2008-02-19 | 2010-05-05 | 孙伟杰 | Method for desulfurating and denitrating and recovering sulfur resource in closed cycle way |
| CN102284245A (en) * | 2011-06-14 | 2011-12-21 | 浙江工业大学 | Method for treating waste gas by biotrickling filter, and special device thereof |
| CN102553428A (en) * | 2012-01-10 | 2012-07-11 | 华北电力大学（保定） | Absorption tower for desulfurization and denitrification combined with oxidant in forward-flow and back-flow spraying and method |
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2012
- 2012-09-28 CN CN2012103766278A patent/CN102836632A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007091472A1 (en) * | 2006-02-10 | 2007-08-16 | Sintokogio, Ltd. | Ozone-based deodorizing apparatus |
| CN101032678A (en) * | 2006-03-07 | 2007-09-12 | 黄立维 | Method for eliminating oxynitride from air flow and the special equipment thereof |
| CN101185832A (en) * | 2007-09-06 | 2008-05-28 | 黄立维 | Method for improving sulphur dioxide clearance |
| CN101700463A (en) * | 2008-02-19 | 2010-05-05 | 孙伟杰 | Method for desulfurating and denitrating and recovering sulfur resource in closed cycle way |
| CN102284245A (en) * | 2011-06-14 | 2011-12-21 | 浙江工业大学 | Method for treating waste gas by biotrickling filter, and special device thereof |
| CN102553428A (en) * | 2012-01-10 | 2012-07-11 | 华北电力大学（保定） | Absorption tower for desulfurization and denitrification combined with oxidant in forward-flow and back-flow spraying and method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107824031A (en) * | 2016-12-05 | 2018-03-23 | 信和恩博泰有限责任公司 | Changeable type is laminated absorption comprehensive pollution odorant deodoration system and deodorizing method |
| CN113019096A (en) * | 2021-03-10 | 2021-06-25 | 安徽皖欣环境科技有限公司 | High-efficient combination deodorizing device of oil smoke waste gas |
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Application publication date: 20121226 |
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